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How can I convert byte size into a human-readable format in Java?
...tor ci = new StringCharacterIterator("kMGTPE");
while (bytes <= -999_950 || bytes >= 999_950) {
bytes /= 1000;
ci.next();
}
return String.format("%.1f %cB", bytes / 1000.0, ci.current());
}
Binary (1 K = 1,024)
public static String humanReadableByteCountBin(long by...
How to make Eclipse behave well in the Windows 7 taskbar?
...ecify the latest available Java VM in your eclipse.ini. I.e.:
-vm
jdk1.6.0_10\jre\bin\client\jvm.dll
Make sure they are on separate lines
Anything after the "vmargs" is taken to be vm arguments
(More info)
Or alternatively add the java bin folder to your Windows PATH before the "windows32" fo...
Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
...
The default collation for stored procedure parameters is utf8_general_ci and you can't mix collations, so you have four options:
Option 1: add COLLATE to your input variable:
SET @rUsername = ‘aname’ COLLATE utf8_unicode_ci; -- COLLATE added
CALL updateProductUsers(@rUsername, @r...
How do I find the install time and date of Windows?
...
In regedit.exe go to:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\InstallDate
It's given as the number of seconds since January 1, 1970. (Note: for Windows 10, this date will be when the last feature update was installed, not the...
How can I use an array of function pointers?
...ointers.
void fun1()
{
}
void fun2()
{
}
void fun3()
{
}
void (*func_ptr[3])() = {fun1, fun2, fun3};
main()
{
int option;
printf("\nEnter function number you want");
printf("\nYou should not enter other than 0 , 1, 2"); /* because we have only 3 functions */
scanf("%d",&...
How do I use vim registers?
...
How to enable if one has -xterm_clipboard on vim --version. Any simple package to install? (debian/apt-get). Thanks.
– DrBeco
Aug 24 '14 at 22:30
...
Is there a standard sign function (signum, sgn) in C/C++?
...ive numbers and +1 for positive numbers.
http://en.wikipedia.org/wiki/Sign_function
It's easy enough to write my own, but it seems like something that ought to be in a standard library somewhere.
...
Why doesn't Internet Explorer 11 honour conditional comments even when emulating Internet Explorer 8
...nd below (via conditional comments), and the browser simply ignores them. -_-
This feature worked perfectly fine in Internet Explorer 10, and Microsoft just had to tinker with it, didn't they?
<!--[if lte IE 8]><script src="ie8-html5.js"></script><![endif]-->
Apart from...
Postgresql aggregate array
...
Use array_agg: http://www.sqlfiddle.com/#!1/5099e/1
SELECT s.name, array_agg(g.Mark) as marks
FROM student s
LEFT JOIN Grade g ON g.Student_id = s.Id
GROUP BY s.Id
By the way, if you are using Postgres 9.1, you don't need ...
How to bind an enum to a combobox control in WPF?
... an optional blank value for default/no selection
[Description("")]
NOT_SET = 0,
[Description("Sunday")]
SUNDAY,
[Description("Monday")]
MONDAY,
...
}
First I created helper class with a couple methods to deal with enums. One method gets a description for a specific value, the other ...